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Finding the Fourth Proportional to 249,461.40, 375,876.66 and 206,060.52

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Solution

The fourth proportional to 249,461.40, 375,876.66 and 206,060.52 is: 310,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,461.40 : 375,876.66 = 206,060.52 : x
  2. Step 2: Convert to fraction form
    249,461.40/375,876.66 = 206,060.52/x
  3. Step 3: Cross multiply
    249,461.40x = 375,876.66 × 206,060.52
  4. Step 4: Simplify right side
    249,461.40x = 77,453,340,015.46
  5. Step 5: Solve for x
    x = 77,453,340,015.46/249,461.40
  6. Step 6: Final answer
    x = 310,482.26

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.